<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>

        .ht{
            text-align: center;
            color: cadetblue;
            font-family: 幼圆;
        }
        .tab{
            width: 80%;
            border: 5px solid cadetblue;
            margin: 0px auto;
            border-radius: 5px;
            font-family: 幼圆;
        }
        .ltr td{
            border: 1px solid  powderblue;

        }
        .ipt{
            border: 0px;
            width: 50%;

        }
        .btn1{
            border: 2px solid powderblue;
            border-radius: 4px;
            width:100px;
            background-color: antiquewhite;

        }
        #usernameMsg , #userPwdMsg {
            color: gold;
        }

        .buttonContainer{
            text-align: center;
        }
    </style>


</head>
<body>
<h1 class="ht">欢迎使用日程管理系统</h1>
<h3 class="ht">您的日程如下</h3>
<table class="tab" cellspacing="0px">
    <tr class="ltr">
        <th>编号</th>
        <th>内容</th>
        <th>进度</th>
        <th>操作</th>
    </tr>
    <tr class="ltr">
        <td></td>
        <td></td>
        <td></td>
        <td class="buttonContainer">
             <button class="btn1">删除</button>
            <button class="btn1">保存修改</button>
        </td>
    </tr>
    <tr class="ltr buttonContainer" >
        <td colspan="4">
            <button class="btn1">新增日程</button>
        </td>

    </tr>
</table>

</body>
</html>